package lab02.test27;

import java.util.InputMismatchException;
import java.util.Scanner;

public class Test {
    public static void main(String[] args) {
        int a= 0;
        Scanner scanner =new Scanner(System.in);

        System.out.println("Please input an int:");
        try {
            a = scanner.nextInt();
            // alt + enter
        } catch (InputMismatchException e){        System.out.println("类型不匹配！！！");
        }
        System.out.println("a =" +a);
    }

}
